# place " at begin of each line # escape existing '\' and '"' # remove \n at the end of the line (sometimes the last line does not have a \n # so we cannot do a replacement with some other text) # place an escaped \n and " at the end of each line import sys for line in sys.stdin: sys.stdout.write('"' + line.replace('\\','\\\\').replace('"','\\"').replace('\n','') + '\\n"\n')